mirror of
https://github.com/rjNemo/underscore
synced 2026-06-06 02:26:42 +00:00
Ruidy
c53d46816f
Replace usage of golang.org/x/exp/constraints with Go 1.22 cmp/slices. Update .golangci.yml to new v2 format and enable gofmt/goimports. Refactor imports and type constraints across codebase for consistency.
49 lines
892 B
Go
49 lines
892 B
Go
package underscore
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// Result represent the outcome of an operation where failure is possible
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type Result[T any] interface {
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isResult() // to seal the Result interface
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ToValue() (*T, error)
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IsSuccess() bool
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}
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// Ok is the Result that represents success.
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type Ok[T any] struct {
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Value *T
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}
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func (Ok[T]) isResult() {}
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func (o Ok[T]) ToValue() (*T, error) {
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return o.Value, nil
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}
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func (o Ok[T]) IsSuccess() bool {
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return true
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}
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// Err is the Result that represents failure. It implements the error interface
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type Err[T any] struct{ Err error }
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func (e Err[T]) ToValue() (*T, error) {
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return nil, e.Err
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}
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func (e Err[T]) IsSuccess() bool {
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return false
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}
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func (Err[T]) isResult() {}
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func (e Err[T]) Error() string {
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return e.Err.Error()
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}
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func ToResult[T any](value *T, err error) Result[T] {
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if err != nil {
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return Err[T]{
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Err: err,
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}
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}
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return Ok[T]{Value: value}
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}
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